Short entry
HMRC letters about high income child benefit charge
Last reviewed 1 October 2026 · How Tax Letters checks its facts
This entry in brief
- What this campaign is
- People who may need to pay the charge, asked to check; HMRC uses more than one channel for this campaign.
- Who it goes to
- Individuals
- When
- 6 Jul to 31 Dec 2026 (letters and texts); earlier wave Oct 2025
- Recorded from
- GOV.UK: genuine HMRC contact using more than one method, 29 Sep 2026; Ross Martin tracker, 18 Aug 2026
A short entry, not a full guide yet
Tax Letters tracks this campaign in the living campaign tracker. A full plain-English guide for it is not written yet, and we would rather say that than pad a page. What we publish for every letter holds here too: most one-to-many reply windows are set by the letter rather than by law, ignoring one still has real consequences, and anything that mentions a penalty, an assessment or an appeal can carry a fixed legal deadline. How HMRC letter deadlines actually work.
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